KR910003120B1 - A method for washing the filter elements of a gas filter and an apparatus for carring out this method - Google Patents

A method for washing the filter elements of a gas filter and an apparatus for carring out this method Download PDF

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KR910003120B1
KR910003120B1 KR1019840002465A KR840002465A KR910003120B1 KR 910003120 B1 KR910003120 B1 KR 910003120B1 KR 1019840002465 A KR1019840002465 A KR 1019840002465A KR 840002465 A KR840002465 A KR 840002465A KR 910003120 B1 KR910003120 B1 KR 910003120B1
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South Korea
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filter
cleaning
filter material
air
cleaning liquid
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KR1019840002465A
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Korean (ko)
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KR850002038A (en
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뢰펠만 루돌프
프레제 후버트
마르티니 울리히
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헨켈 코만디트 계젤샤프트 아우프 악찌엔
호르스트 화를레 · 게오르그 자이트
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/69—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Filtration Of Liquid (AREA)

Abstract

A method and apparatus for simultaneously washing a plurality of generally tubular or sock-like filtering elements of a gas filtering apparatus without removing the elements from the apparatus, the filter elements being disposed in a regular array of rows and columns within a housing between an inlet and an outlet thereof. The method includes positioning in the housing a liquid conduit having a plurality of axially spaced spray nozzles for delivering washing liquid along one or more rows of elements and supplying washing liquid to the conduit.

Description

가스 휠터의 세척 방법 및 장치Method and apparatus for cleaning gas filter

제1도는 먼지가 실린 공기쪽에서 실행되는 분사노즐과, 작동시 먼지가 실린 공기쪽 위의 호스 외면에 부딪치도록된 휠터호스가 달려있는 가스휠터의 종단면도.FIG. 1 is a longitudinal sectional view of a gas filter with a spray nozzle running on the dusty air side and a filter hose adapted to hit the outer surface of the hose on the dusty air side during operation.

제2도는 제1도에서 선 Ⅱ-Ⅱ를 지나는 단면도.2 is a cross sectional view along line II-II in FIG. 1;

제3도는 마주하고있는 면에 수직으로 설치된 분사노즐의 장치에 의하여 세척되는, 작동시 먼지가 실린 공기에 부딪치도록된 휠터호스가 있는 가스휠터의 종단면도.FIG. 3 is a longitudinal sectional view of a gas rotor with a filter hose adapted to impinge on dusty air during operation, cleaned by a device of a spray nozzle installed perpendicular to the opposite side.

본 발명은 휠터재(材) 세척을 위한 방법에 관한 것으로, 보다 구체적으로는 한 가스휠터의 호스세척 방법에 관한 것이며, 또한 이러한 방법의 실행에 관한 것이다. 가스휠터에 있어서, 예를들면 가스용 여과 분류기의 천연 또는 합성섬유의 직조천이나 미세휄트(felt)는 휠터 매체로서 사용하기에 가능하다. 휠터의 투과력이나 분출량과 같은 장기적 기간동안 일정한 압력의 손실을 방지하기 위하여 일반적으로 이 휠터재에 퇴적된 먼지를 압축공기나 또는 기계적 작용으로 제거시켜왔다. 이러한 공지의 주기적 세척은 DE-OS 33 01872에서 설명된 것과 같이 작동중 휠터에 의하여 실행될 수 있다.The present invention relates to a method for cleaning filter material, and more particularly, to a hose washing method of a gas filter, and more particularly, to the implementation of such a method. In the gas filter, for example, a woven cloth or felt of natural or synthetic fibers of a gas filter sorter is possible for use as a filter medium. In order to prevent constant pressure loss over long periods of time, such as the penetrating power and the ejection volume of the filter, the dust deposited on the filter material has generally been removed by compressed air or mechanical action. Such known periodic cleaning may be performed by the filter during operation as described in DE-OS 33 01872.

이러한 문제를 가지고 있는 형태의 가스휠터가 오랜기간동안 작동된다면 고체미립자 혹은 예를들면 휘발성 유기체 성분을 이루고 있는것 조차 기계적 또는 압축공기의 작용에 의한 세척에도 불구하고 휠터재에 축적되어 공기에 대한 매개휠터로써 투과력이 점차적으로 감소되는 결과를 가져온다. 이러한 경과로 휠터의 에너지 소모가 증가되고 선별능력의 손상원인으로 인하여 정화된 가스의 투과량이 감소하게 된다. 이러한 상태를 제거하기 위하여 폴리테트라플루로에틸렌(polyterrafluoroethylene)섬유의 효과인 비점착력이 어떠한 중요범위에 대하여 이물질로부터 누적되는것을 방지하여주기 때문에 휠터재로 설치하기위한 폴리테트라 플루로에틸렌섬유의 사용에 대하여도 이미 시도되었다. 그러나 폴리테트라플루로에틸렌은 비교적 값이 비싸고 다른섬유와 비교하여 기계적 강도가 약한 것으로 나타나있다. 이러한 휠터재도 종종 특별한 세척으로 완전정화효과를 위하여 분해되어져야한다. 이러한 작업은 격한 노동은 아니지만 관상 또는 포켓(pocket)형태로된 휠터재에 누적되어있는 바깥쪽면에서는 주위공기의 오염으로 인하여 건강에 해로움을 줄 수 있다. 전체적인 설치에 있어서는 휠터부분의 수선과 제거의 비교적 오랜시간 동안 멈추어져야만 한다.If a gas filter of this type has been operated for a long time, even solid particulates or even volatile organic components may accumulate in the filter material even after cleaning by the action of mechanical or compressed air. As a filter, the result is a gradual decrease in penetration. As a result, the energy consumption of the filter is increased and the permeation amount of the purified gas is decreased due to the damage of the sorting ability. In order to eliminate this condition, the non-adhesive force, which is the effect of polyterrafluoroethylene fibers, is prevented from accumulating from foreign matters for any important range. Already tried. However, polytetrafluoroethylene has been shown to be relatively expensive and weak in mechanical strength compared to other fibers. Such filter materials also often have to be disassembled for a full cleaning effect by special cleaning. This work is not hard work, but on the outside surface accumulated in the filter material in tubular or pocket form, it can be harmful to the health due to pollution of the surrounding air. The overall installation must be stopped for a relatively long time of repair and removal of the filter portion.

휠터재의 세척 또는 완전한 정화를 위한 본 발명의 목적은 이러한 설비가 정지되어있는 동안의 노동손실과 생산성손실이 최소로 감소하는 방법으로 실행되어지고 신체내로 호흡되는 공기가 오염되지 않는다. 서두에서 언급한 방법중에서 이러한 목적은 휠터로부터 제거하지않는 이러한 휠터재가 먼지가 섞인 공기쪽위로 분사노즐(nozzel)을 통하여 직접 분사액체의 분출로서 휠터재의 외면이 세척되어 목적을 성취할 수 있고, 분사액체는 분사노즐을 통하여 정화된 공기쪽으로부터 휠터재를 향하여 분사되어진다.The object of the present invention for the cleaning or complete purification of the filter material is to be carried out in such a way that the labor and productivity losses are reduced to a minimum while such equipment is stationary and the air breathed into the body is not contaminated. Among the methods mentioned at the outset, this object is achieved by cleaning the outer surface of the filter material by spraying the jetting liquid directly through the injection nozzle onto the dusty air, which is not removed from the filter. The liquid is injected toward the filter material from the purified air side through the injection nozzle.

휠터재의 원형둘레나 내부위로 휠터의 분사노즐과 파이프로 구성되어있는 본 발명의 세척단위에 의한 설치로, 휠터재는 제거하지 않고도 세척할 수 있다. 그러므로, 전보다 더 짧은 시간에 보다적은 생산성 감소와 설비의 작동으로 인한 오염된 공기에서 호흡시 신체의 어떠한 위험없이도 세척할 수 있다.With the installation of the cleaning unit of the present invention consisting of the spray nozzle and the pipe of the filter on the inside of the circular circumference of the filter material, the filter material can be cleaned without removing. Therefore, in a shorter time than before, it can be cleaned without any danger to the body when breathing in contaminated air due to less productivity and operation of the equipment.

본 발명의 또 다른 형태의 유별에서 볼때 상기에 설명된 방법의 실행을 위한 장치에 있어서, 열지은 원주로 배열된 휠터재의 다수가 있는 가스휠터는 먼지가 실린 공기쪽에서 근접한 열지은 원주사이의 공간으로 향하도록 각 열지은 원주마다 하나의 분사노즐이 모든 열지은 원주에 관련된 첫번째 분출 액체파이프에 의하여 특징되어지고, 정화된 공기쪽으로부터 각 휠터재 만으로 향한 열지은 원주마다 하나의 분사노즐이 열지은 원주에 연관된 두번째 분출 액체파이프에 의하여 특징되어진다. 예를들어 휠터호스 또는 포켓형태인 경우 먼지가 실린 공기쪽으로 움직이도록 분사노즐을 설계하는 것이 최선의 방법인데, 그렇게 함으로써 이것들이 수평으로 비좁게 돌출되도록 할 수 있다. 그렇지만 호스 또는 주머니 형태를 이루는 두개의 근접한 열지은 원주사이의 공간을 향해 수직 방면으로 방산시켜 분사할 수 있다. 휠터호스 또는 포켓의 세척시 정화된 공기쪽에서 동시에 또는 교대로 사용되는 분사노즐은 개개의 호스나 그와같은 것 속으로 분사노즐이 돌출되어 수직으로 움직이기에 가능하도록된 방법으로 설치할 수 있다. 세척후 젖은 휠터재는 약 1시간동안 휠터를 통과하는 약 100℃에 가까운 가열된 통과공기에 의하여 건조된다. 충분한 건조는 만약에 이 휠터가 세척된 후 비교적 오랜시간동안 사용되지 않는다 하더라도 역시 유지할 수 있다.In a further aspect of the classification of the present invention, in the device for the implementation of the method described above, the gas rotor with a plurality of filter elements arranged in a columnar column is directed toward the space between the columnar cylinders in the vicinity of the dusty air. One jet nozzle for each heat cylinder is characterized by a first jet of liquid pipe associated with all the heat cylinders, and a second jet of liquid pipe associated with the cylinder with one jet nozzle opened for each filter column from the purified air side to each filter material only. Is characterized by. For example, in the case of a filter hose or pocket type, it is best to design the spray nozzles to move towards dusty air, so that they can protrude horizontally and narrowly. However, two adjacent thermal papers in the form of hoses or pockets can be sprayed by dispersing in a vertical direction towards the space between the circumferences. The spray nozzles used simultaneously or alternately on the side of the purified air during the cleaning of the filter hose or pocket may be installed in such a way that the spray nozzles protrude into the individual hoses or the like so that they can be moved vertically. After washing, the wet filter material is dried by heated through air close to about 100 ° C. passing through the filter for about one hour. Sufficient drying can be maintained even if this filter is not used for a relatively long time after being cleaned.

본 발명의 구체적인 설명은 도면을 참조하여 이하에서 상세히 설명한다.Detailed description of the invention will be described in detail below with reference to the drawings.

제1도와 제2도에서는 몸체(1)을 참조하여 공모양의 형상을 이루고 있는 압축된 공기로 정화하기위한 가스휠터를 도시하였는데, 휠터호스(2)의 외면인 바깥둘레를 세척하기위한 세척조직을 포함하고 있다. 이 가스휠터(1)는 먼지가 실린 공기가 이입되어 통과하는 유입구(3)와 정화된 공기가 이출되어 통과하는 배출구(5)를 포함하고 있는데, 먼지와 물 배출관(6)은 통상작동시 집진부위(도시되어있지 않음)로 향하도록 되어 있고, 세척하는 동안은 물 배출기로 향하고 있다. 휠터호스(2)는 관으로된 판(9)로 달려있다. 구체형의 설명에 있어서, 본 발명에 의거한 세척방식은 세척되는 휠터호스(2)의 열지은 원주사이에 일정한 간격으로 조립된 분사노즐을 일체로한 액체파이프를 구성하고 있다. 이러한 분사노즐은 첫번째 구체형에서 매우 큰 각으로 분무되고, 두번째 구체형에서는 90℃ 구부러져 아주 좁은 각에 대하여 분무되는 것과 같은 방법으로 설계될 수 있다.1 and 2 illustrate a gas filter for purifying with compressed air having a ball shape with reference to the body (1). The cleaning tissue for cleaning the outer circumference of the outer surface of the filter hose (2) is shown. It includes. The gas filter 1 includes an inlet port 3 through which dust-laden air is introduced and passed through, and an outlet port 5 through which purified air is drawn out and passes through. The dust and water discharge pipe 6 is collected during normal operation. It is directed to a site (not shown) and to the water discharger during cleaning. The filter hose 2 hangs with a tube plate 9. In the description of the specific embodiment, the cleaning method according to the present invention constitutes a liquid pipe in which the spray nozzles are assembled at regular intervals between the heat-circumferential circumferences of the filter hose 2 to be cleaned. Such spray nozzles can be designed in such a way that they are sprayed at very large angles in the first embodiment and 90 ° C. bent at very narrow angles in the second embodiment.

제1도 및 제2도에서 도시된 구체형은 수직으로 넓은 부채형상으로된 분사(11)과 수평으로 제한된 선형분사(12)로 내뿜은 노즐(10)을 도시하고 있다. 이렇게하여, 횡으로 되어있는 원주의 모든 호스는 가스휠터(1)의 외부에서 내부로 배열된 파이프(9)로 부터 액체의 분출에 의하여 강력하게 적셔지고 세척되어질 수 있다. 분출되는 액체파이프(9)는 스스로 움직일 수 없게 고정시키거나 이동할 수 있게 되어있다. 특히, 그것은 휠터호스(2)를 세척하는 동안 수직으로 이동되는 분출 액체파이프(9)로 인하여 세척결과에 도움이 될 수 있다.The spheres shown in FIGS. 1 and 2 show a nozzle 10 blown with a vertically widespread jet 11 and a horizontally limited linear jet 12. In this way, all the circumferential hoses of the transverse circumference can be strongly wetted and cleaned by the ejection of liquid from the pipe 9 arranged inward from the outside of the gas rotor 1. The ejected liquid pipe 9 is fixed or movable so that it cannot move by itself. In particular, it may be helpful for the cleaning result due to the ejection liquid pipe 9 which is vertically moved during the cleaning of the filter hose 2.

제3도의 윤곽설명에서 한 가스휠터(1)은 제1도 및 제2도에서설명된 것과 근본적으로 같은 구조를 형성하고 있는데 다만 차이가 나는것은 먼지섞인 공기쪽에서 행하여지는 세척체계(9) 대신에, 이것은 정화된 공기쪽에서 휠터재를 통하여 계속적으로 세척액체를 분사할 수 있는 세척체계를 포함하고 있다. 따라서 이경우, 정상적인 작동시 공기에 반대방향에서 강력한 액체가 분사되고, 가스휠터에 부딪치는 특징을 나타낸다. 따라서 휠터호스(2)는 정화된 공기쪽 또는 그 안쪽에서나 먼지가 실린 공기쪽 또는 그 공기가 있는 바깥쪽 사이에 통하여 지나는 액체분출의 힘으로 세척된다. 두번째 구체형에서는 분출 액체파이프(13)에 고정되어 있는 분사노즐(14)는 인접한 휠터부분(2)의 열지은 원주에 있어서 수평으로 움직여지는 것을 포함하고 있다. 이 분사노즐(14)는 똑바른 설치보다 분출 액체파이프(13)를 경유하는 파이프에서 뻗은부분(15)에 가능한 설치되어야 하므로 분사노즐(14)는 휠터(2)안쪽에서 수직이동 되거나 이와같이 세척되는 과정동안 보다 강력한 세척을 이행할 수 있게 되어있다.The gas filter 1 in the outline of FIG. 3 has the same structure as described in FIGS. 1 and 2, except that the difference is that instead of the cleaning system 9 performed on the dusty air side. This includes a cleaning system that can continuously spray the cleaning liquid through the filter material from the purified air. In this case, therefore, a strong liquid is injected in the opposite direction to the air during normal operation, and the gas filter is hit. Accordingly, the filter hose 2 is washed with the force of liquid ejection passing through the inside of the purified air or between the inside of the dusty air or between the outside of the air. In the second embodiment, the injection nozzle 14 fixed to the jetting liquid pipe 13 includes a horizontal movement in the open circumference of the adjacent filter portion 2. Since the injection nozzle 14 should be installed in the extension part 15 of the pipe via the jetting liquid pipe 13 rather than a straight installation, the injection nozzle 14 is vertically moved inside the filter 2 or is thus cleaned. More powerful cleaning can be performed during the process.

제3도에 도시된 세척설비(13, 14)는 역시 고정시키거나 이동되도록 할 수 있는데, 예를들어 가스휠터는 자신의 세척방식 또는 교대로 배치된 세척 설비단위가 한 가스휠터에서 다음 가스휠터로 필요시 이동할 수 있다.The washing plants 13 and 14 shown in FIG. 3 can also be fixed or moved, for example, the gas rotor has its own cleaning system or alternately arranged washing plant units from one gas rotor to the next one. You can move as needed.

또한 방법으로 세척설비는 적어도 한 열지은 원수의 모든 휠터요소가 동시에 세척될 수 있는 방법으로 설계되어 있다. 물이 수용성 생성물인 경우에는 세척액체와 같이 사용된다. 세척시간은 물의 높은 온도에 의하여 줄어들 수 있다는 것이 시험결과 나타나있다. 물이 내포된 적절한 첨가제 또는 어떠한 다른 정화액체도 똑같이 사용될 수 있다. 먼지가 실린 공기쪽으로부터 세척되거나 정화된 공기쪽으로부터 세척되는 것은 일제히 그리고 계속적으로 실행될 수 있다.In addition, the cleaning system is designed in such a way that all filter elements of at least one open source water can be cleaned simultaneously. If water is a water-soluble product, it is used together with washing liquid. Test results show that the cleaning time can be reduced by the high temperature of the water. Appropriate additives containing water or any other purifying liquid may equally be used. Washing from the dusty air side or from the purified air side can be carried out simultaneously and continuously.

이 여러경우에서, 제1도, 제2도, 제3도에 도시된 형태의 세척은 충분한 여건이 되어 있다. 그러나, 정화효과는 본 발명에 의거한 휠터요소의 세척중 기계적 정화체계 또는 보통의 압축공기 작용의 변환에 의하여 강력하게 되어질 수 있다.In these various cases, the cleaning of the type shown in FIGS. 1, 2 and 3 is sufficient. However, the purifying effect can be enhanced by a mechanical purge system or by the conversion of normal compressed air action during the cleaning of the filter element according to the invention.

Claims (7)

휠터재(2)의 세척을 위한 방법으로 더욱 상세하게는 가스휠터(1)의 휠터호스 또는 포켓(pocket)이 휠터(1)로부터 제거됨이 없이, 휠터재(2)가 분사노즐(10)으로부터 먼지가 실린 공기쪽으로 향하도록 세척 액체의 분사(11, 12)에 의하여 일시에 주변이 세척되고, 세척액체의 분사는 분사노즐(14)로부터 정화된 공기쪽에서 휠터재를 통과하도록 사출되는 것을 특징으로 하는 휠터재(2)의 세척방법.More specifically as a method for cleaning the filter material 2, the filter material 2 is removed from the injection nozzle 10 without the filter hose or pocket of the gas filter 1 being removed from the filter 1. The periphery is temporarily washed by injections 11 and 12 of the cleaning liquid toward the dust-bearing air, and the injection of the cleaning liquid is injected from the injection nozzle 14 through the filter material toward the purified air. How to wash the filter material (2). 제1항의 방법에 있어서, 먼지가 실린 공기쪽에서 세척액체가 먼지가 실린 공기파이프(4)의 방면으로 충분히 분사되는 것을 특징으로하는 방법.Method according to claim 1, characterized in that the cleaning liquid is sufficiently sprayed onto the dusty air pipe (4) from the dusty air side. 제1항과 제2항의 방법에 있어서, 세척중의 분사노즐(10, 14)는 휠터표면에 대하여 수평으로 움직이는 것을 특징으로 하는 방법.Method according to one of the preceding claims, characterized in that the spray nozzle (10, 14) during cleaning moves horizontally with respect to the filter surface. 제1항과 제3항의 하나 또는 그이상의 방법에 있어서, 공기정화장치가 세척중에 연결되어지는 것을 특징으로하는 방법.Method according to one or more of the preceding claims, characterized in that the air purifier is connected during the cleaning. 제1항과 제3항의 하나 또는 그 이상의 방법에 있어서, 세척액체가 휠터재(2)위로 분사되어 지기전에 가열되는 것을 특징으로하는 방법.Method according to one or more of the preceding claims, characterized in that the cleaning liquid is heated before being sprayed onto the filter material (2). 열지은 원주로 배열된 휠터재(2)의 다수를 이루고 있는 가스휠터(1)에 있어서, 먼지가 실린 공기쪽에서 근접한 열지은 원주사이의 공간으로 향하도록 각 열지은 원주마다 구성되어 있는 하나의 분사노즐(10)이 모든 열지은 원주에 관련된 첫번째 세척액체파이프(9)에 의하여 특징되어지고, 정화된 공기쪽으로부터 각 휠터재(2)안으로 향한 열지은 원주마다 하나의 분사노즐(14)이 구성되어있는 모든 열지은 원주에 관련된 두번째 세척액체파이프(13)에 의하여 특징되어지는 청구범위 제1항에서 제5항까지의 하나 또는 그 이상의 청구된 방법의 실행을 위한 장치.In the gas filter 1, which is composed of a plurality of filter elements 2 arranged in a column, the jet nozzles 10 are configured for each column in order to direct the spaces between the columns to the space between the columns. All thermal heat cylinders are characterized by the first washing liquid pipe (9) associated with the circumference, and one spray nozzle (14) is formed for each thermal circumference from the purified air side into each filter material (2). Apparatus for the execution of one or more of the claimed methods of claims 1 to 5 characterized by a second wash liquid pipe (13) related to the invention. 제6항의 장치에 있어서, 세척액체파이프(9, 13)이 각개의 휠터재(2)에 대해 세로 방향으로 이동할 수 있도록 설치된 것을 특징으로 하는 장치.The device according to claim 6, characterized in that the cleaning liquid pipe (9, 13) is installed so as to be able to move in the longitudinal direction with respect to the respective filter material (2).
KR1019840002465A 1983-05-06 1984-05-07 A method for washing the filter elements of a gas filter and an apparatus for carring out this method KR910003120B1 (en)

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DE3316527A DE3316527A1 (en) 1983-05-06 1983-05-06 METHOD FOR WASHING THE FILTER ELEMENTS OF A GAS FILTER AND DEVICE FOR CARRYING OUT THE METHOD
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GB1570431A (en) * 1976-06-07 1980-07-02 Monsanto Co Fibre bed separator
US4082523A (en) * 1977-02-04 1978-04-04 Josef Pausch Filter bag cleaning apparatus
DE3022203A1 (en) * 1980-06-13 1981-12-24 Mikropul Gesellschaft für Mahl- und Staubtechnik mbH, 5000 Köln Gas filter bags cleaned while still in casing - by external liquid sprays in upper zone and internal gas pressure pulses
JPS57132525A (en) * 1981-02-10 1982-08-16 Taisei Corp Washing method of filter of dust collector
JPS57153775A (en) * 1981-03-16 1982-09-22 Kikkoman Shoyu Co Ltd Classifier
JPS5910321A (en) * 1982-07-08 1984-01-19 Taoka Chem Co Ltd Dust collecting device

Also Published As

Publication number Publication date
JPH0472564B2 (en) 1992-11-18
US4731100A (en) 1988-03-15
CA1257207A (en) 1989-07-11
ES8502350A1 (en) 1985-01-01
DE3316527A1 (en) 1984-11-08
KR850002038A (en) 1985-05-06
DE3466181D1 (en) 1987-10-22
ES532206A0 (en) 1985-01-01
EP0124841A2 (en) 1984-11-14
EP0124841A3 (en) 1985-04-17
ZA843377B (en) 1984-12-24
JPS59206026A (en) 1984-11-21
EP0124841B1 (en) 1987-09-16
ATE29675T1 (en) 1987-10-15

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